Finding the Fourth Proportional to 560,920.50, 774,060.60 and 319,198.08
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Solution
The fourth proportional to 560,920.50, 774,060.60 and 319,198.08 is: 440,487.84
Step by Step Solution
- Step 1: Write the proportion equation
560,920.50 : 774,060.60 = 319,198.08 : x - Step 2: Convert to fraction form
560,920.50/774,060.60 = 319,198.08/x - Step 3: Cross multiply
560,920.50x = 774,060.60 × 319,198.08 - Step 4: Simplify right side
560,920.50x = 247,078,657,323.65 - Step 5: Solve for x
x = 247,078,657,323.65/560,920.50 - Step 6: Final answer
x = 440,487.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.